Hays Weather in May
Average highs run from 55°F on May 1 to 65°F on May 31, and lows from 34°F to 44°F. Normal precipitation for the month is 3.18 in.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 61°F
- Average low
- 39°F
- Precipitation
- 3.18 in
- Record high
- 95°FMay 27, 2026
- Record low
- 19°FMay 1, 2013
- Chance of a freeze
- 95%
- Daylight
- 14 h 32 min to 15 h 46 min
- Cloud cover
- 66%
- Humidity
- 56%
- Dew point
- 37°F
- Wind
- 11.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 55°F | 34°F | 84°F 2000 | 19°F 2013 | |
| May 2 | 56°F | 34°F | 85°F 2000 | 23°F 2005 | |
| May 3 | 56°F | 35°F | 85°F 1998 | 24°F 2005 | |
| May 4 | 57°F | 35°F | 83°F 2016 | 23°F 2002 | |
| May 5 | 57°F | 35°F | 86°F 2016 | 30°F 2026 | |
| May 6 | 57°F | 36°F | 87°F 2017 | 23°F 2026 | |
| May 7 | 58°F | 36°F | 85°F 2017 | 29°F 2002 | |
| May 8 | 58°F | 36°F | 80°F 2007 | 27°F 2010 | |
| May 9 | 58°F | 37°F | 82°F 2007 | 26°F 2002 | |
| May 10 | 59°F | 37°F | 90°F 2025 | 27°F 2004 | |
| May 11 | 59°F | 38°F | 89°F 2025 | 29°F 2002 | |
| May 12 | 60°F | 38°F | 86°F 2001 | 28°F 2004 | |
| May 13 | 60°F | 38°F | 89°F 2001 | 24°F 2004 | |
| May 14 | 60°F | 39°F | 90°F 2001 | 23°F 2005 | |
| May 15 | 61°F | 39°F | 86°F 1997 | 32°F 2020 | |
| May 16 | 61°F | 39°F | 86°F 2012 | 33°F 2026 | |
| May 17 | 61°F | 40°F | 87°F 2012 | 33°F 1999 | |
| May 18 | 62°F | 40°F | 91°F 2006 | 27°F 2015 | |
| May 19 | 62°F | 41°F | 91°F 2006 | 30°F 2019 | |
| May 20 | 62°F | 41°F | 82°F 2008 | 30°F 2019 | |
| May 21 | 63°F | 41°F | 84°F 2006 | 30°F 2019 | |
| May 22 | 63°F | 42°F | 90°F 2006 | 28°F 2022 | |
| May 23 | 63°F | 42°F | 90°F 2006 | 35°F 2022 | |
| May 24 | 64°F | 42°F | 90°F 2006 | 34°F 2007 | |
| May 25 | 64°F | 43°F | 90°F 2026 | 32°F 2004 | |
| May 26 | 64°F | 43°F | 91°F 2026 | 37°F 2010 | |
| May 27 | 64°F | 43°F | 95°F 2026 | 37°F 2005 | |
| May 28 | 65°F | 43°F | 92°F 2026 | 36°F 2012 | |
| May 29 | 65°F | 44°F | 90°F 2026 | 34°F 2012 | |
| May 30 | 65°F | 44°F | 90°F 2026 | 37°F 2010 | |
| May 31 | 65°F | 44°F | 89°F 2009 | 37°F 2024 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 5:56 AM, sunset 8:28 PM
- May 31
- sunrise 5:20 AM, sunset 9:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00249900 (Zortman), public domain. Records: NOAA GHCN-Daily, station USC00245334, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.